1066425599 has 2 divisors, whose sum is σ = 1066425600. Its totient is φ = 1066425598.

The previous prime is 1066425587. The next prime is 1066425601. The reversal of 1066425599 is 9955246601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066425599 - 2²⁰ = 1065377023 is a prime.

It is a super-2 number, since 2×1066425599² = 2274527116405017602, which contains 22 as substring.

Together with 1066425601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066425299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533212799 + 533212800.

It is an arithmetic number, because the mean of its divisors is an integer number (533212800).

Almost surely, 2^1066425599 is an apocalyptic number.

1066425599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066425599 is an equidigital number, since it uses as much as digits as its factorization.

1066425599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 1066425599 is about 32656.1724487117. The cubic root of 1066425599 is about 1021.6689322143.

It can be divided in two parts, 10664 and 25599, that added together give a palindrome (36263).

The spelling of 1066425599 in words is "one billion, sixty-six million, four hundred twenty-five thousand, five hundred ninety-nine".